Patent · US Active

Method for the production of superabsorbers

US8076436B2 · kind B2 · utility

3Cited by

11References

11Claims

0Family size

Assignee

BASF SE

Inventors

Volker Braig · Weinheim, DE
Michael de Marco · Weinheim, DE
Michael Stosser · Schifferstadt, DE
Joachim Pakusch · Ludwigshafen, DE

Key dates

Filing date	Oct 17, 2007
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Aug 9, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F216/1425
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Superabsorbents are produced by polymerization in the presence of at least one unsaturated polyetherol selected from the group consisting of polyetherols having the following structural formulae (1), (2), (3) and (4):

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.